click below
click below
Normal Size Small Size show me how
Friday Ogunleye
Week 6 Through 12 Assignment
| Question | Answer |
|---|---|
| Which of these glia cells are located in the peripheral nervous system? | Schwann cells |
| What term describes the bundles of nerve fibers within the central nervous system? | tracts |
| Neurons have | very limited capacity to repair themselves. |
| Excitable cells that conduct the impulses are called | neurons. |
| Bundles of myelinated fibers make up the | white matter of the nervous system. |
| The structural and functional center of the entire nervous system is the _____ nervous system. | central |
| This tends to be the longest cytoplasmic projection from a neuron. | axon |
| A signal conduction route to and from the central nervous system is a(n) | reflex arc. |
| Chemical signals diffuse between neurons at this location. | synapse |
| What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers? | neurilemma |
| The somatic nervous system carries information to the | skeletal muscles. |
| The _____ of a neuron is a single process that usually extends from a tapered portion of the cell body. | axon |
| The _____ nervous system is a complex network of nerve pathways embedded in the intestinal wall with a network of integrators and feedback loops that can act somewhat independently. | enteric |
| efferent pathways of the autonomic nervous system can be divided into the __________ divisions. | parasympathetic and sympathetic |
| The glia cells that help form the blood-brain barrier are the | astrocytes. |
| These regions of the neuron direct electrical currents toward the cell body. | dendrite |
| Nerves that originate from the brain are called _____ nerves. | cranial |
| Which of the following is not a structural classification of neurons? | polar |